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Three high-yield vegan protein bases for cross-menu use

By MenulabSeptember 25, 2026

Three high-yield vegan protein bases on a commercial prep table: seitan, chickpea mash, and lentil loaf

✦ Recipe Card

Main Course • American

Prep

25 minutes

Cook

55 minutes

Total

1 hour 20 minutes

Servings

8 servings

Ingredients

  • 400 g (2 cups) brown or green lentils, rinsed
  • 900 ml (3 3/4 cups) water or low-sodium vegetable stock
  • 1 medium yellow onion, finely diced
  • 2 carrots, grated
  • 2 celery stalks, finely diced
  • 3 cloves garlic, minced
  • 80 g (3/4 cup) rolled oats
  • 80 g (3/4 cup) fine breadcrumbs
  • 2 tbsp tomato paste
  • 2 tbsp soy sauce or tamari
  • 2 tbsp ground flaxseed + 6 tbsp water (flax egg)
  • 1 tsp smoked paprika
  • 1 tsp dried thyme
  • Salt and black pepper to taste
  • 2 tbsp olive oil for sautĂ©ing
  • Optional glaze: 60 ml ketchup mixed with 1 tbsp maple syrup

Steps

  1. 1Cook lentils: Bring lentils and water or stock to a simmer, reduce heat and cook until just tender, about 20 to 25 minutes. Drain any excess and return to the pot to cool slightly.
  2. 2Prepare vegetable base: While lentils cook, heat olive oil in a skillet, sweat onion, carrot, and celery until soft, 6 to 8 minutes. Add garlic and cook 30 seconds more. Remove from heat.
  3. 3Mix binders: Combine ground flaxseed with 6 tablespoons water in a small bowl and let sit 5 minutes to thicken. In a large mixing bowl combine oats, breadcrumbs, tomato paste, soy sauce, smoked paprika, thyme, salt and pepper.
  4. 4Combine and form: Add cooked lentils and sautéed vegetables to the bowl and mash to a cohesive texture, leaving some lentil pieces for bite. Add flax egg and mix until mixture holds together. Adjust seasoning if needed.
  5. 5Bake the loaf: Press mixture into a parchment-lined 9x13 inch pan or standard loaf pan. Smooth the top and brush with optional glaze. Bake at 180 C (350 F) for 45 to 55 minutes until set and edges brown. Let rest 15 minutes before slicing.

Calories

260 kcal

Protein

12 g

Carbs

38 g

Fat

6 g

Tips

  • →Scale by weight: one 9x13 pan yields eight 150 g portions. Multiply pans for higher volume.
  • →For firmer slices, chill the loaf fully overnight before slicing.
  • →To make gluten-free, confirm breadcrumbs are GF and use certified oats for oats option.
  • →Freeze slices individually on trays, then bag for grab-and-go or catering.

Why operators should adopt three plant-based bases

Switching to standardized, high-yield vegan protein bases reduces day-to-day labour, tightens food cost control, and increases cross-menu flexibility. Below are three scalable preparations you can produce in volume and use across sandwiches, bowls, hot plates, and catering trays.

Seitan: concentrated protein for sandwiches and mains

Yield and sample cost

Example batch: make 3 kg finished seitan to slice at 100 g portions for 30 servings. If ingredient cost for the batch is USD 9.00, cost per portion is 9.00 / 30 = USD 0.30. Adjust portion size to meet menu margin targets.

Production and staging

Mix vital wheat gluten with flavoring liquids and binders, knead until elastic, then simmer or steam in a seasoned broth. Cool fully, slice to spec, and vacuum pack or wrap tightly. Label with production and use-by dates.

Hold and reheat guidance

Refrigerated at 4 C or below, vacuum-packed seitan will hold 4 to 5 days. For longer storage, flash-freeze slices on trays, then bag. Reheat by sous vide at 60 C for 30 to 45 minutes for even heat. For plated service, pan-sear slices to refresh texture and finish with a simple pan sauce.

Seasoned chickpea mash: versatile binder and patty base

Yield and sample cost

Example batch: 5 kg cooked chickpeas mashed with aromatics and binders yields about 4.6 kg finished mash. At 100 g portions you get roughly 46 servings. If total batch cost is USD 18.40, cost per portion is 18.40 / 46 = USD 0.40.

Production and staging

Use cooked chickpeas, a modest amount of oil, acid to balance, and a binding starch or flour. For consistent texture, process to a coarse puree on a set timer. Chill in shallow pans to 4 C within 90 minutes, then portion into tubs, squeeze flat to minimize cold spots, and label.

Lentil loaf: plated main that scales for catering

Yield and sample cost

One standard pan recipe yields a 9x13 loaf serving eight at 150 g each. If the pan's ingredients cost USD 9.60, cost per portion is 9.60 / 8 = USD 1.20. Multiply pans to reach daily demand.

Production and staging

Bake loaves fully, cool uncovered to room temperature for 30 minutes, then wrap or vacuum. Once chilled, label and date. For service slice by weight to keep portions consistent. For high-volume days, bake multiple pans and portion slices into hotel pans for quick finish reheating.

Hold and reheat guidance

Chilled loaf slices will hold 3 to 4 days refrigerated. Reheat in a combi oven at 160 C with steam or in a covered hotel pan at 165 F until center reaches 74 C. Avoid microwaving for plated service to retain texture.

Quick staging checklist for all three bases

  • Batch to yield at least a full day or two of covers to reduce changeover.
  • Cool in shallow pans and bring to 4 C within 90 minutes for food safety.
  • Portion by weight for consistent food cost control.
  • Label with use-by dates and reheating instructions for line staff.
  • Freeze in single-portion blocks when weekly demand is uneven.
  • Build-your-own bowl: base grain, greens, protein slice or scoop, one hot component.
  • Toasted sandwich: seitan or chickpea mash, pickled veg, melty vegan cheese.
  • Protein plate: lentil loaf slice, seasonal veg, roasted potato, signature sauce.
  • Weekend brunch special: chickpea mash scramble with roasted mushrooms.
  • Catering tray: sliced seitan with condiments and pickles to minimize plated labour.

Implement these bases with one pilot week. Track actual yields, time per portion, and food cost variance. Small adjustments to portion weight and seasoning will protect margins while expanding plant-based options.

If you want a tested main to start with, try the lentil loaf recipe below in production and scale it across pans. For a free downloadable prep sheet with batch scaling formulas, contact our team through the site or your supplier rep to get a printable sheet tailored to your kitchen's portion sizes.

Frequently Asked Questions

How long can I store each protein base in a restaurant walk-in fridge?

Vacuum-packed seitan keeps 4 to 5 days at 4 C. Chickpea mash is best used within 3 days refrigerated. Baked lentil loaf will hold 3 to 4 days chilled. Always follow your local food safety rules and use date labels.

Which base is most cost-effective when scaled?

Seitan and chickpea mash typically give the lowest cost per portion because they stretch with low-cost staples. Exact savings depend on ingredient prices and portion sizes, so run sample batch math before changing menu pricing.

Can these bases be frozen and reheated without losing quality?

Yes. Flash-freeze single portions on trays, then bag. Reheat seitan via sous vide or pan sear. Reheat chickpea mash gently in a steam table or combi oven to avoid drying. Lentil loaf reheats best covered in an oven to retain moisture.

How do I maintain consistent texture when scaling recipes?

Use timers on processing steps, measure hydration by weight, and portion by scale. Standardize binder ratios and training notes so different cooks produce the same texture.

Can I prepare the lentil loaf a day ahead?

Yes. Bake, cool, wrap and refrigerate. Slicing cold will give cleaner portions for service.

What is the best way to reheat slices for plated service?

Reheat covered in a combi oven at 160 C until center reaches 74 C, or bake slices in a covered hotel pan with a splash of stock for 10 to 12 minutes.

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